.title{
    width: 100%;
    height: 2.8rem;
    background-color: red;
    color: #fff;
    font-size: 1.4rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 0.5rem;
    box-sizing: border-box;
}
.box{
    height: 4.75rem;
}
.fixed{
    position: fixed;
    width: 100%;
    z-index: 10000;
}
.tRfixed{
    height: 2.8rem;
}
.twoRouter{
    height: 2.5rem;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.25rem 0.5rem;
    box-sizing: border-box;
    background-color: red;
    color: white;
    position: fixed;
}
.tR_input{
    width: 88%;
    border: 0;
    background-color: red;
    border-bottom: 0.05rem solid white;
    outline: none;
    color: white;
    font-size: 0.6rem;
    font-size: 1rem;
}
input::-webkit-input-placeholder {
    color: white;
    font-size: 0.8rem;
}